Me.TreeView1.SelectedItem.Image = 2 'another color For Each nodX In Me.TreeView1.SelectedItem.Child nodX.Image = 2 'another color Next nodX
谢谢,回复。试了一下。好像要加Image. 需要消化。谢谢。
Private Sub TreeView1_NodeClick(ByVal Node As MSComctlLib.Node) With Node .ForeColor = vbRed End With End Sub 这只能改变一个节点的颜色。向着目标接近。
相关知识总结。 在属性中,将复选框打勾。下面是全代码。 Option ExplicitPrivate Sub Form_Load() ' 初始化控件的内容 Call InitTreeData TVW.Nodes(1).Selected = True ' 根节点为当前节点 TVW.Nodes(1).EnsureVisible ' 根节点可见 End Sub' 初始化控件的内容 Private Sub InitTreeData() Dim i As Integer
' 增加节点 'TVW.Nodes.Add , , "Root", "Root" For i = 1 To 5 TVW.Nodes.Add , tvwChild, "Child" & CStr(i), "Child1" & CStr(i) Next i For i = 1 To 5 TVW.Nodes.Add "Child1", tvwChild, "1GrandChild" & CStr(i), "GrandChild" & CStr(i) Next i For i = 1 To 5 TVW.Nodes.Add "Child3", tvwChild, "2GrandChild" & CStr(i), "GrandChild" & CStr(i) Next i For i = 1 To 5 TVW.Nodes.Add "Child5", tvwChild, "3GrandChild" & CStr(i), "GrandChild" & CStr(i) Next i For i = 1 To 5 TVW.Nodes.Add "1GrandChild1", tvwChild, "GreatGrandChild" & CStr(i), "GreatGrandChild" & CStr(i) Next i
' 将节点展开 TVW.Nodes(1).Expanded = True End Sub' 选取节点 Private Sub TVW_NodeCheck(ByVal Node As MSComctlLib.Node) gCheckChildrenBySelf TVW, Node.Index, Node.Checked gCheckParentBySibling TVW, Node.Index End Sub' 根据自身选取情况,确定全选或取消其下所有子项 Private Sub gCheckChildrenBySelf(TVW As TreeView, ByVal curIndex As Integer, ByVal bCh As Integer) Dim n As Integer If TVW.Nodes(curIndex).Children <= 0 Then Exit Sub Else n = TVW.Nodes(curIndex).Child.Index Do While n <> TVW.Nodes(curIndex).Child.LastSibling.Index TVW.Nodes(n).Checked = bCh gCheckChildrenBySelf TVW, n, bCh n = TVW.Nodes(n).Next.Index Loop TVW.Nodes(n).Checked = bCh gCheckChildrenBySelf TVW, n, bCh End If End Sub' 根据同层、同父节点的选取情况,确定是否选取其父(乃至更上层),直至根节点 Private Sub gCheckParentBySibling(TVW As TreeView, ByVal curIndex As Integer) Dim n As Integer Dim bHaveChecked As Boolean If TVW.Nodes(curIndex).FirstSibling.Index = 1 Then Exit Sub Else bHaveChecked = False n = TVW.Nodes(curIndex).FirstSibling.Index Do While n <> TVW.Nodes(curIndex).LastSibling.Index If TVW.Nodes(n).Checked = True Then bHaveChecked = True Exit Do End If n = TVW.Nodes(n).Next.Index Loop If TVW.Nodes(n).Checked = True Then bHaveChecked = True End If
If bHaveChecked = True Then TVW.Nodes(curIndex).Parent.Checked = vbChecked Else TVW.Nodes(curIndex).Parent.Checked = vbUnchecked End If
gCheckParentBySibling TVW, TVW.Nodes(curIndex).Parent.Index End If End Sub
Me.TreeView1.SelectedItem.Image = 2 'another color
For Each nodX In Me.TreeView1.SelectedItem.Child
nodX.Image = 2 'another color
Next nodX
谢谢,回复。试了一下。好像要加Image.
需要消化。谢谢。
With Node
.ForeColor = vbRed
End With
End Sub
这只能改变一个节点的颜色。向着目标接近。
在属性中,将复选框打勾。下面是全代码。
Option ExplicitPrivate Sub Form_Load()
' 初始化控件的内容
Call InitTreeData
TVW.Nodes(1).Selected = True ' 根节点为当前节点
TVW.Nodes(1).EnsureVisible ' 根节点可见
End Sub' 初始化控件的内容
Private Sub InitTreeData()
Dim i As Integer
' 增加节点
'TVW.Nodes.Add , , "Root", "Root"
For i = 1 To 5
TVW.Nodes.Add , tvwChild, "Child" & CStr(i), "Child1" & CStr(i)
Next i
For i = 1 To 5
TVW.Nodes.Add "Child1", tvwChild, "1GrandChild" & CStr(i), "GrandChild" & CStr(i)
Next i
For i = 1 To 5
TVW.Nodes.Add "Child3", tvwChild, "2GrandChild" & CStr(i), "GrandChild" & CStr(i)
Next i
For i = 1 To 5
TVW.Nodes.Add "Child5", tvwChild, "3GrandChild" & CStr(i), "GrandChild" & CStr(i)
Next i
For i = 1 To 5
TVW.Nodes.Add "1GrandChild1", tvwChild, "GreatGrandChild" & CStr(i), "GreatGrandChild" & CStr(i)
Next i
' 将节点展开
TVW.Nodes(1).Expanded = True
End Sub' 选取节点
Private Sub TVW_NodeCheck(ByVal Node As MSComctlLib.Node)
gCheckChildrenBySelf TVW, Node.Index, Node.Checked
gCheckParentBySibling TVW, Node.Index
End Sub' 根据自身选取情况,确定全选或取消其下所有子项
Private Sub gCheckChildrenBySelf(TVW As TreeView, ByVal curIndex As Integer, ByVal bCh As Integer)
Dim n As Integer If TVW.Nodes(curIndex).Children <= 0 Then
Exit Sub
Else
n = TVW.Nodes(curIndex).Child.Index
Do While n <> TVW.Nodes(curIndex).Child.LastSibling.Index
TVW.Nodes(n).Checked = bCh
gCheckChildrenBySelf TVW, n, bCh
n = TVW.Nodes(n).Next.Index
Loop
TVW.Nodes(n).Checked = bCh
gCheckChildrenBySelf TVW, n, bCh
End If
End Sub' 根据同层、同父节点的选取情况,确定是否选取其父(乃至更上层),直至根节点
Private Sub gCheckParentBySibling(TVW As TreeView, ByVal curIndex As Integer)
Dim n As Integer
Dim bHaveChecked As Boolean If TVW.Nodes(curIndex).FirstSibling.Index = 1 Then
Exit Sub
Else
bHaveChecked = False
n = TVW.Nodes(curIndex).FirstSibling.Index
Do While n <> TVW.Nodes(curIndex).LastSibling.Index
If TVW.Nodes(n).Checked = True Then
bHaveChecked = True
Exit Do
End If
n = TVW.Nodes(n).Next.Index
Loop
If TVW.Nodes(n).Checked = True Then
bHaveChecked = True
End If
If bHaveChecked = True Then
TVW.Nodes(curIndex).Parent.Checked = vbChecked
Else
TVW.Nodes(curIndex).Parent.Checked = vbUnchecked
End If
gCheckParentBySibling TVW, TVW.Nodes(curIndex).Parent.Index
End If
End Sub